Package com.opengamma.strata.math.impl.linearalgebra

Class DecompositionFactory

java.lang.Object

com.opengamma.strata.math.impl.linearalgebra.DecompositionFactory

public final class DecompositionFactory
extends Object

Factory class for different types of decompositions.

Field Summary

Fields

Modifier and Type	Field	Description
static Decomposition<?>	LU_COMMONS	LUDecompositionCommons
static String	LU_COMMONS_NAME	Commons LU decomposition
static Decomposition<?>	QR_COMMONS	QRDecompositionCommons
static String	QR_COMMONS_NAME	Commons QR decomposition
static Decomposition<?>	SV_COMMONS	SVDecompositionCommons
static String	SV_COMMONS_NAME	Commons SV decomposition

Method Summary

Modifier and Type	Method	Description
static Decomposition<?>	getDecomposition(String decompositionName)	Given a name, returns an instance of that decomposition method.
static String	getDecompositionName(Decomposition<?> decomposition)	Given a decomposition method, returns its name.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LU_COMMONS_NAME

public static final String LU_COMMONS_NAME

Commons LU decomposition

See Also:

Constant Field Values

QR_COMMONS_NAME

public static final String QR_COMMONS_NAME

Commons QR decomposition

See Also:

Constant Field Values

SV_COMMONS_NAME

public static final String SV_COMMONS_NAME

Commons SV decomposition

See Also:

Constant Field Values

LU_COMMONS

public static final Decomposition<?> LU_COMMONS

LUDecompositionCommons

QR_COMMONS

public static final Decomposition<?> QR_COMMONS

QRDecompositionCommons

SV_COMMONS

public static final Decomposition<?> SV_COMMONS

SVDecompositionCommons

Method Detail

getDecomposition

public static Decomposition<?> getDecomposition(String decompositionName)

Given a name, returns an instance of that decomposition method.

Parameters:

decompositionName - The name of the decomposition method

Returns:

The decomposition method

Throws:

IllegalArgumentException - If the decomposition name is null or there is no decomposition method of that name

getDecompositionName

public static String getDecompositionName(Decomposition<?> decomposition)

Given a decomposition method, returns its name.

Parameters:

decomposition - The decomposition method

Returns:

The name of the decomposition method (null if not found)